var express      = require('express');
var path         = require('path');
var cookieParser = require('cookie-parser');
var bodyParser   = require('body-parser');
var app          = express();

// Default value of process.env.NODE_ENV
process.env.NODE_ENV = process.env.NODE_ENV ? process.env.NODE_ENV : 'production';

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended: false}));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

// Load all backend modules
require('./components/backend');

// Load all Routes
app.use(require('./routes')());

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  var err    = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
  app.use(function (err, req, res, next) {
    res.status(err.status || 500);
    // res.render('error', {
    //     message: err.message,
    //     error: err
    // });
  });
}

// production error handler
// no stacktraces leaked to user
app.use(function (err, req, res, next) {
  res.status(err.status || 500);
  // res.render('error', {
  //     message: err.message,
  //     error: {}
  // });
});


module.exports = app;
